dissociated press examples

dissociated-press-ngrammatch.ld

@@ -0,0 +1,39 @@
+let (:ok, corpus) = fetch("https://alea.ludus.dev/twc/corpus/raw/branch/main/jarg2912.txt")
+let corpus_clean = do corpus > downcase > words
+
+let pattern_len = 5
+let corpus_len = count(corpus_clean)
+let start_position = random(0, sub(corpus_len, pattern_len))
+let starting_ngram = slice_n(corpus_clean, start_position, pattern_len)
+
+fn indices_of_ngram {
+  (text, pat, indices, res, 0) -> res
+  (text, pat, indices) -> indices_of_ngram(text, pat, indices, [], dec(count(indices)))
+  (text, pat, indices, res, i) -> {
+    let test_ngram = slice_n(text, at(indices, i), count(pat))
+    if eq?(test_ngram, pat)
+      then indices_of_ngram(text, pat, indices, append(res, at(indices, i)), dec(i))
+      else indices_of_ngram(text, pat, indices, res, dec(i))
+   }
+}
+
+fn press! {
+  (text, pat, 0, n, res) -> res
+  (text, pat, i, n) -> press!(text, pat, i, n, "")
+  (text, pat, i, n, res) -> {
+    let sub_pat_len = sub(count(pat), inc(n))
+    let sub_pat = slice(pat, sub_pat_len, dec(count(pat)))
+    let inds = indices_of(text, at(sub_pat, 0))
+    let ind = random(indices_of_ngram(text, sub_pat, inds))
+    if ind
+      then {
+        let new_pat = slice_n(text, add(ind, inc(n)) , count(pat))
+        let new_res = concat(trim(res), " ", sentence(new_pat))
+
+        press!(text, new_pat, dec(i), n, new_res)
+      }
+      else press!(text, pat, 0, n, res)
+  }
+}
+
+press!(corpus_clean, starting_ngram, 5, 1)

dissociated-press.ld

@@ -0,0 +1,20 @@
+let (:ok, corpus) = fetch("https://alea.ludus.dev/twc/corpus/raw/branch/main/jarg2912.txt")
+let corpus_clean = do corpus > downcase > words
+
+let pattern_len = 5
+let corpus_len = count(corpus_clean)
+let start_position = random(0, sub(corpus_len, pattern_len))
+let starting_ngram = slice_n(corpus_clean, start_position, pattern_len)
+
+fn press! {
+  (text, pat, 0, res) -> res
+  (text, pat, i) -> press!(text, pat, i, "")
+  (text, pat, i, res) -> {
+    let ind = random(indices_of(text, last(pat)))
+    let new_pat = slice_n(corpus_clean, inc(ind), count(pat))
+    let new_res = concat(trim(res), " ", sentence(new_pat))
+    press!(text, new_pat, dec(i), new_res)
+  }
+}
+
+press!(corpus_clean, starting_ngram, 4)